Home / 1,238,794.28-1,856,936.46-839,475.44

Finding the Fourth Proportional to 1,238,794.28, 1,856,936.46 and 839,475.44

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Solution

The fourth proportional to 1,238,794.28, 1,856,936.46 and 839,475.44 is: 1,258,362.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,794.28 : 1,856,936.46 = 839,475.44 : x
  2. Step 2: Convert to fraction form
    1,238,794.28/1,856,936.46 = 839,475.44/x
  3. Step 3: Cross multiply
    1,238,794.28x = 1,856,936.46 × 839,475.44
  4. Step 4: Simplify right side
    1,238,794.28x = 1,558,852,551,810.54
  5. Step 5: Solve for x
    x = 1,558,852,551,810.54/1,238,794.28
  6. Step 6: Final answer
    x = 1,258,362.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.